Description

5,5-Dimethyl-2-Phenoxy-1,3,2-Dioxaphosphorinane 2-Oxide is a specialized organophosphorus compound, CAS NO 884-89-9, valued for its role as a key intermediate and reagent in advanced chemical synthesis. Its unique cyclic phosphate ester structure makes it a critical component for modifying material properties and synthesizing complex molecules. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-quality building blocks for their processes.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring phosphate ester or phosphonate functionalities.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its structural motif imparts specific biological activity.
• Polymer Additive & Modifier: Acts as a flame retardant precursor or a plasticizer intermediate, enhancing the fire resistance and physical properties of engineering plastics and polymers.
• Ligand & Catalyst Preparation: Employed in the development of novel ligands for metal catalysis and in organocatalysis for asymmetric synthesis.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in medicinal chemistry and material science for creating new molecular entities.
• Specialty Chemical Manufacturing: Used as an intermediate for producing other fine chemicals, surfactants, and corrosion inhibitors.

Basic Information

Product Name	5,5-Dimethyl-2-Phenoxy-1,3,2-Dioxaphosphorinane 2-Oxide
CAS No.	884-89-9
Molecular Formula	C11H15O4P
Molecular Weight	242.21 g/mol
Synonyms	Phenoxy-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide; 5,5-Dimethyl-2-phenoxy-2-oxo-1,3,2-dioxaphosphorinane; NSC 163082; Cyclic Phenoxy Phosphonate Ester; 2-Phenoxy-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-oxide
EINECS	Contact for details

Quality Control

Every batch of 5,5-Dimethyl-2-Phenoxy-1,3,2-Dioxaphosphorinane 2-Oxide is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards, and comprehensive analytical testing is performed to verify identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee product integrity for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.